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Finding the Third Proportional to 18,409,696 and 40,051,520

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Solution

The third proportional to 18,409,696 and 40,051,520 is: 87,134,749.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,409,696 : 40,051,520 = 40,051,520 : x
  2. Step 2: Convert to fraction form
    18,409,696/40,051,520 = 40,051,520/x
  3. Step 3: Cross multiply
    18,409,696x = 40,051,520 × 40,051,520
  4. Step 4: Simplify right side
    18,409,696x = 1,604,124,254,310,400
  5. Step 5: Solve for x
    x = 1,604,124,254,310,400/18,409,696
  6. Step 6: Final answer
    x = 87,134,749.77

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.